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Finding the Fourth Proportional to 449,366.72, 620,130.27 and 255,764.94

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Solution

The fourth proportional to 449,366.72, 620,130.27 and 255,764.94 is: 352,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,366.72 : 620,130.27 = 255,764.94 : x
  2. Step 2: Convert to fraction form
    449,366.72/620,130.27 = 255,764.94/x
  3. Step 3: Cross multiply
    449,366.72x = 620,130.27 × 255,764.94
  4. Step 4: Simplify right side
    449,366.72x = 158,607,581,298.73
  5. Step 5: Solve for x
    x = 158,607,581,298.73/449,366.72
  6. Step 6: Final answer
    x = 352,958.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.